// Copyright 2007-2015 Chris Patterson, Dru Sellers, Travis Smith, et. al.
//  
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the 
// License at 
// 
//     http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
// CONDITIONS OF ANY KIND, either express or implied. See the License for the 
// specific language governing permissions and limitations under the License.
namespace MassTransit.Testing.Indicators
{
    using System.Threading.Tasks;
    using GreenPipes;
    using GreenPipes.Util;


    public abstract class BaseBusActivityIndicatorConnectable : Connectable<IConditionObserver>,
        IObservableCondition
    {
        public ConnectHandle ConnectConditionObserver(IConditionObserver observer)
        {
            return Connect(observer);
        }

        public abstract bool IsMet { get; }

        protected Task ConditionUpdated()
        {
            return ForEachAsync(x => x.ConditionUpdated());
        }
    }
}